Zeitüberschreitung proftpd

schweich1

New Member
Hallo,

ich habe ein Problem mit meinem FTP-Server, und zwar kommt bei der Verbindung zum Server die Meldung: Zeitüberschreitung

Wenn ich den FTP-Server neustarte, bringt dies nichts, starte ich den kompletten Server neu, ist anschließend auch der FTP-Server wieder erreichbar, allerdings nach 1-2 Tagen wieder nicht mehr.

Weiß jemand, woran das liegen könnte?


Mein System: Debian Lenny mit ISPCP


Hier meine proftpd.conf:

Code:
# ispCP ω (OMEGA) a Virtual Hosting Control Panel
# Copyright (C) 2001-2006 by moleSoftware GmbH - http://www.molesoftware.com
# Copyright (C) 2006-2010 by isp Control Panel - http://ispcp.net
#
# Version: $Id: proftpd.conf 3454 2010-10-14 19:39:50Z scitech $
#
# The contents of this file are subject to the Mozilla Public License
# Version 1.1 (the "License"); you may not use this file except in
# compliance with the License. You may obtain a copy of the License at
# http://www.mozilla.org/MPL/
#
# Software distributed under the License is distributed on an "AS IS"
# basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
# License for the specific language governing rights and limitations
# under the License.
#
# The Original Code is "VHCS - Virtual Hosting Control System".
#
# The Initial Developer of the Original Code is moleSoftware GmbH.
# Portions created by Initial Developer are Copyright (C) 2001-2006
# by moleSoftware GmbH. All Rights Reserved.
# Portions created by the ispCP Team are Copyright (C) 2006-2010 by
# isp Control Panel. All Rights Reserved.
#
# The ispCP ω Home Page is:
#
#    http://isp-control.net
#

# Includes DSO modules (this is mandatory in proftpd 1.3)
Include /etc/proftpd/modules.conf

# Set off to disable IPv6 support which is annoying on IPv4 only boxes.
UseIPv6                    off

ServerName                 "s1.hostnetzwerk.de"
ServerType                 standalone
DeferWelcome               off

MultilineRFC2228           on
DefaultServer              on
ShowSymlinks               on

AllowOverwrite             on
UseReverseDNS              off
IdentLookups               off
AllowStoreRestart          on
AllowForeignAddress        on

LogFormat                  traff "%b %u"

TimeoutLogin               120
TimeoutNoTransfer          600
TimeoutStalled             600
TimeoutIdle                1200

DisplayLogin               welcome.msg
DisplayChdir          message

ListOptions                "-l"
#LsDefaultOptions           "-l"

DenyFilter                 \*.*/

DefaultRoot                ~

# Uncomment this if you are using NIS or LDAP to retrieve passwords:
# PersistentPasswd         off

# Port 21 is the standard FTP port.
Port                       21

# In some cases you have to specify passive ports range to by-pass
# firewall limitations. Ephemeral ports can be used for that, but
# feel free to use a more narrow range.
#PassivePorts               49152 65534

# To prevent DoS attacks, set the maximum number of child processes
# to 30.  If you need to allow more than 30 concurrent connections
# at once, simply increase this value.  Note that this ONLY works
# in standalone mode, in inetd mode you should use an inetd server
# that allows you to limit maximum number of processes per service
# (such as xinetd)
MaxInstances               30

# Set the user and group that the server normally runs at.
User                       nobody
Group                      nogroup

# Normally, we want files to be overwriteable.
<Directory /*>
  # Umask 022 is a good standard umask to prevent new files and dirs
  # (second parm) from being group and world writable.
  Umask                    022  022
  # Normally, we want files to be overwriteable.
  AllowOverwrite           on
  HideNoAccess             on
</Directory>

<Limit ALL>
  IgnoreHidden             on
</Limit>

# Be warned: use of this directive impacts CPU average load!
#
# Uncomment this if you like to see progress and transfer rate with ftpwho
# in downloads. That is not needed for uploads rates.
# UseSendFile               off

<Global>
  RootLogin                off
  TransferLog              /var/log/proftpd/xferlog
  ExtendedLog              /var/log/proftpd/ftp_traff.log read,write traff
  PathDenyFilter           "\.quota$"
</Global>

# Loading required modules
<IfModule !mod_sql.c>
  LoadModule               mod_sql.c
  AuthOrder                mod_sql.c
</IfModule>
<IfModule !mod_sql_mysql.c>
  LoadModule               mod_sql_mysql.c
</IfModule>
<IfModule !mod_quotatab.c>
  LoadModule               mod_quotatab.c
</IfModule>
<IfModule !mod_quotatab_sql.c>
  LoadModule               mod_quotatab_sql.c
</IfModule>


#
# SSL via TLS
#
#<IfModule mod_tls.c>
#  TLSEngine                off                           # on for use of TLS
#  TLSLog                   /var/log/proftpd/ftp_ssl.log  # where to log to
#  TLSProtocol              SSLv23                        # SSLv23 or TLSv1
#  TLSOptions               NoCertRequest                 # either to request the certificate or not
#  TLSRSACertificateFile    /etc/proftpd/ssl.crt          # SSL certfile
#  TLSRSACertificateKeyFile /etc/proftpd/ssl.key          # SSL keyfile
#  TLSVerifyClient          off                           # client verification
#</IfModule>

#
# ISPCP Quota management;
#
<IfModule mod_quotatab.c>
  QuotaEngine              on
  QuotaShowQuotas          on
  QuotaDisplayUnits        Mb

  SQLNamedQuery            get-quota-limit SELECT "name, quota_type, per_session, limit_type, bytes_in_avail, bytes_out_avail, bytes_xfer_avail, files_in_avail, files_out_avail, files_xfer_avail FROM quotalimits WHERE name = '%{0}' AND quota_type = '%{1}'"
  SQLNamedQuery            get-quota-tally SELECT "name, quota_type, bytes_in_used, bytes_out_used, bytes_xfer_used, files_in_used, files_out_used, files_xfer_used FROM quotatallies WHERE name = '%{0}' AND quota_type = '%{1}'"
  SQLNamedQuery            update-quota-tally UPDATE "bytes_in_used = bytes_in_used + %{0}, bytes_out_used = bytes_out_used + %{1}, bytes_xfer_used = bytes_xfer_used + %{2}, files_in_used = files_in_used + %{3}, files_out_used = files_out_used + %{4}, files_xfer_used = files_xfer_used + %{5} WHERE name = '%{6}' AND quota_type = '%{7}'" quotatallies
  SQLNamedQuery            insert-quota-tally INSERT "%{0}, %{1}, %{2}, %{3}, %{4}, %{5}, %{6}, %{7}" quotatallies

  QuotaLock                /var/run/proftpd/tally.lock
  QuotaLimitTable          sql:/get-quota-limit
  QuotaTallyTable          sql:/get-quota-tally/update-quota-tally/insert-quota-tally
</IfModule>

<IfModule mod_ratio.c>
#  Ratios                   on
</IfModule>

# Delay engine reduces impact of the so-called Timing Attack described in
# http://security.lss.hr/index.php?page=details&ID=LSS-2004-10-02
# It is on by default.
<IfModule mod_delay.c>
  DelayEngine              on
</IfModule>

<IfModule mod_ctrls.c>
  ControlsEngine           on
  ControlsMaxClients       2
  ControlsLog              /var/log/proftpd/controls.log
  ControlsInterval         5
  ControlsSocket           /var/run/proftpd/proftpd.sock
</IfModule>

<IfModule mod_ctrls_admin.c>
  AdminControlsEngine      on
</IfModule>

# ispCP SQL Managment
SQLBackend                 mysql
SQLAuthTypes               Crypt
SQLAuthenticate            on
SQLConnectInfo             ispcp@localhost vftp password
SQLUserInfo                ftp_users userid passwd uid gid homedir shell
SQLGroupInfo               ftp_group groupname gid members
SQLMinUserUID              2000
SQLMinUserGID              2000

# A basic anonymous configuration, no upload directories.

# <Anonymous ~ftp>
#   User                   ftp
#   Group                  nogroup
#   # We want clients to be able to login with "anonymous" as well as "ftp"
#   UserAlias              anonymous ftp
#   # Cosmetic changes, all files belongs to ftp user
#   DirFakeUser            on ftp
#   DirFakeGroup           on ftp
#
#   RequireValidShell      off
#
#   # Limit the maximum number of anonymous logins
#   MaxClients             10
#
#   # We want 'welcome.msg' displayed at login, and '.message' displayed
#   # in each newly chdired directory.
#   DisplayLogin           welcome.msg
#   DisplayFirstChdir      .message
#
#   # Limit WRITE everywhere in the anonymous chroot
#   <Directory *>
#     <Limit WRITE>
#       DenyAll
#     </Limit>
#   </Directory>
#
#   # Uncomment this if you're brave.
#   # <Directory incoming>
#   #   # Umask 022 is a good standard umask to prevent new files and dirs
#   #   # (second parm) from being group and world writable.
#   #   Umask              022  022
#   #   <Limit READ WRITE>
#   #     DenyAll
#   #   </Limit>
#   #   <Limit STOR>
#   #     AllowAll
#   #   </Limit>
#   # </Directory>
#
# </Anonymous>
Include /etc/proftpd/ispcp/*
 
1. DelayEngine auf off
2. Debian Upgrade auf Squeeze (Lenny ist EoL)
3. Weitersuchen, wenn das Problem wieder besteht. "iptables -L -n -v", denyhosts im Einsatz?
 
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